Storage rack



FIG. 1 is a perspective view of a storage rack showing my new design.

FIG. 2 is a front plan view thereof;

FIG. 3 is a left plan view thereof.

FIG. 4 is a right plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a back plan view thereof. 

The ornamental design for a storage rack, as shown and described. 